Meenakshi has been practicing kalaripayattu for decades, and now teaches it to a younger generation -- including increasing numbers of girls.
The 2012 Olympic games were the first to feature women's boxing as an event, and at 17 years old--one of the youngest boxers there--Shields won gold in her weight class. But fame, money, and endorsements did not follow.
After a video of her tackling boys in peewee football at eight years old went viral, Gordon has inspired the creation of the United State's first all-female tackle football league.
After Tyree's mother lost her job, the family moved into a homeless shelter. Despite this setback, Tyree graduated from high school with a 4.0 GPA, earning a full-ride scholarship to college, along with being the prom queen, cheerleading captain, while also working 25 hours a week.
After being diagnosed with terminal cancer, Snetsinger became driven to become the world's best birder, eventually seeing around 85% of the bird species on the entire planet.